fixes

- apply fixed height for footer buttons over app
- add floating cart button in cart page in desktop size

src/pages/menu/components/MenuSkeleton/MenuSkeleton.tsx

@@ -212,6 +212,7 @@ const MenuSkeleton = ({
                       width: "32px",
                       height: "32px",
                       borderRadius: "50%",
+                      overflow: "hidden",
                     }}
                   />
                 ))}